S-100 bus computers

E202915

S-100 bus computers are early microcomputer systems built around the S-100 expansion bus standard, widely used in the late 1970s and early 1980s for hobbyist and professional computing.

All labels observed (2)

Label Occurrences
S-100 bus computers canonical 1
S-100 expansion bus 1

How this entity was disambiguated

Statements (54)

Predicate Object
instanceOf computer hardware platform
microcomputer family
personal computer platform
addressBusWidth 16-bit (originally)
architectureType modular microcomputer system
basedOn S-100 bus computers self-linksurface differs
surface form: S-100 expansion bus
busWidth 16-bit data bus (later extensions)
8-bit data bus (originally)
commonCPU Intel 8080
Intel 8085
Intel 8086
Intel 8088
Motorola 68000 family
surface form: Motorola 68000

Zilog Z80
commonOS CP/M
CP/M
surface form: CP/M-80

CP/M-86
MP/M
various proprietary operating systems
expansionCapability large number of slots for add-in cards
feature card-cage chassis
front-panel switches and LEDs on early systems
plug-in expansion cards
separate CPU, memory, and I/O boards
historicalRole one of the first widely adopted microcomputer hardware standards
influenced early personal computer design
subsequent bus-based microcomputer standards
introducedInDecade 1970s
market Europe
North America
notableVendor CompuPro
Cromemco
Godbout Electronics
IMSAI 8080
surface form: IMSAI

MITS Altair (via S-100 bus origin)
North Star Computers
Processor Technology
Vector Graphic
popularInPeriod early 1980s
late 1970s
powerSupply +8V and ±16V distributed on bus
supports multiple CPU types
multiple operating systems
typicalPeripherals floppy disk controllers
hard disk controllers
memory expansion cards
parallel I/O cards
serial I/O cards
video display cards
typicalUse engineering applications
hobbyist computing
laboratory computing
professional computing
usesBusStandard S-100 bus

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

CP/M usedOn S-100 bus computers
S-100 bus computers basedOn S-100 bus computers self-linksurface differs
this entity surface form: S-100 expansion bus